Summer is bustling with greenery in gardens, making it crucial to nurture future harvests. July marks the peak care period for many vegetables, including onions. Proper feeding during this time is essential as neglect can significantly reduce yield.

Onions, like all plants, require timely and adequate nutrition to produce robust and plentiful bulbs.

Feeding Onions in July

To ensure a high-quality onion crop in July, it’s recommended to use balanced complex fertilizers containing essential macro- and microelements.

For Active Growth:

Nitrogen Fertilizers: These promote lush green foliage and lay the foundation for robust bulbs. Common options include ammonium nitrate, urea, and ammonium sulfate.

For Temperature Resistance:

Potash Fertilizers: Particularly beneficial for early onion varieties, enhancing their ability to withstand temperature fluctuations. Use potassium salt, potassium sulfate, or ash.

For Disease Resistance:

Phosphorus Fertilizers: Strengthen onion immunity and reduce susceptibility to diseases. Superphosphate or double superphosphate are effective choices.

Important Note: Avoid over-fertilizing as it can negatively impact the harvest.

Feeding Recipes:

  • Ash Solution: Mix 200 g of ash with 10 liters of water. Let it steep for 2-3 days before watering the beds.
  • Manganese: Use 3-4 crystals per liter of water. This solution not only nourishes onions but also protects against diseases and pests.
  • Yeast: Combine 100 g of fresh yeast with 10 liters of warm water. Allow it to steep for 2 hours before applying to the beds.


  • Apply fertilizers at the right time: nitrogen for active growth in the first half of summer, and potash for temperature resistance 2-3 weeks before harvesting.
  • Avoid using fresh manure, as it can harm the onion’s root system. Combine fertilization with watering to enhance absorption.

By following these straightforward guidelines, you can cultivate robust and healthy onions that promise a plentiful harvest.